interface Inter{
    name:string;
    show(a:string):void;
}
interface InterA{
    skill:string;
}
var i:Inter={
    name:"tom",
    show(){}
}

class Test implements Inter,InterA{
    skill:string="web";
    name:string="iboy";
    age:number=23;
    show(a:string):void{
        throw new Error("method is not implemented");
    }
    print(){

    }
}